Appendix Table 1.
Summary statistics for patients admitted to California hospitals during 2004–2008, by presenting diagnosis
| AMI | CHF | Stroke | GI bleed | Hip fracture | Pneumonia | |
|---|---|---|---|---|---|---|
| No. of patients | 169,537 | 324,371 | 172,471 | 170,301 | 88,154 | 302,795 |
| Observed inpatient mortality, % | 8.25 (27.52) | 3.88 (19.32) | 11.43 (31.82) | 2.70 (16.20) | 2.83 (16.58) | 5.46 (22.73) |
| Age (years) | 72.0 (12.9) | 74.1 (12.9) | 74.0 (12.6) | 71.9 (14.6) | 81.6 (5.0) | 73.2 (14.3) |
| Female, % | 40.8 (49.1) | 52.2 (50.0) | 54.2 (49.8) | 50.3 (50.0) | 73.7 (44.1) | 53.3 (49.9) |
| No. of Charlson-Deyo index co- morbidities | 2.4 (1.3) | 2.6 (1.2) | 2.3 (1.2) | 1.6 (1.3) | 1.1 (1.1) | 1.6 (1.2) |
| Medicare fee-for-service, % | 41.7 (49.3) | 58.1 (49.3) | 50.6 (50.0) | 49.9 (50.0) | 68.5 (46.5) | 56.9 (49.5) |
| Treated at teaching hospital,% | 10.1 (30.1) | 10.1 (30.1) | 12.9 (33.5) | 9.6 (29.4) | 7.8 (26.9) | 9.3 (29.0) |
| Treated in large hospital*, % | 78.2 (41.3) | 71.0 (45.4) | 73.8 (44.0) | 68.9 (46.3) | 68.1 (46.6) | 65.6 (47.5) |
| Treated in southern California, % | 55.8 (49.7) | 58.9 (49.2) | 56.9 (49.5) | 55.9 (49.7) | 55.3 (49.7) | 55.1 (49.7) |
| Zip code demographics | ||||||
| Median household income, $ | 49183 (18809) | 47040 (18063) | 49072 (19085) | 48790 (18919) | 51077 (19963) | 47594 (18324) |
| Below poverty line, % | 13.8 (8.6) | 15.1 (9.2) | 14.1 (8.8) | 14.2 (8.8) | 12.6 (7.9) | 14.6 (8.9) |
| Avg. Social security income, $ | 11227 (1339) | 11028 (1386) | 11193 (1387) | 11178 (1376) | 11491 (1334) | 11130 (1347) |
| Urban, % | 93.0 (17.7) | 94.4 (15.4) | 93.8 (16.4) | 93.6 (16.6) | 93.0 (17.2) | 93.2 (17.0) |
| Hispanic, % | 29.0 (21.3) | 32.0 (22.5) | 29.8 (22.1) | 29.9 (22.0) | 25.7 (20.3) | 30.2 (21.7) |
| Single, % | 44.5 (7.7) | 45.6 (7.7) | 45.1 (7.8) | 45.1 (7.8) | 44.5 (7.9) | 45.1 (7.8) |
| Less than high school, % | 22.9 (15.0) | 25.3 (16.0) | 23.5 (15.6) | 23.6 (15.5) | 20.3 (14.0) | 24.2 (15.3) |
| Employed, % | 56.7 (8.7) | 55.9 (8.5) | 56.6 (8.4) | 56.5 (8.5) | 57.2 (8.5) | 56.2 (8.5) |
| Zip code health characteristics among population 65 and older | ||||||
| Institutionalized, % | 3.3 (3.9) | 3.4 (3.9) | 3.3 (3.9) | 3.4 (4.0) | 3.6 (4.0) | 3.5 (4.0) |
| Physical disability, % | 29.2 (6.1) | 29.9 (6.1) | 29.2 (6.1) | 29.3 (6.1) | 28.2 (6.0) | 29.6 (6.1) |
| Mental disability, % | 12.6 (4.4) | 13.2 (4.6) | 12.7 (4.4) | 12.7 (4.4) | 12.0 (4.2) | 12.8 (4.4) |
| Sensory disability, % | 14.8 (3.5) | 15.0 (3.4) | 14.8 (3.4) | 14.8 (3.4) | 14.5 (3.4) | 15.0 (3.5) |
| Self-care disability, % | 10.2 (3.8) | 10.7 (4.0) | 10.3 (3.8) | 10.3 (3.8) | 9.8 (3.6) | 10.4 (3.8) |
| Home-bound disability (%) | 21.3 (5.7) | 22.2 (5.8) | 21.5 (5.7) | 21.5 (5.7) | 20.4 (5.5) | 21.7 (5.7) |
Notes: Based on California inpatient discharge records from the California Office of Statewide Health Planning and Development (OSHPD). Standard deviations are in parentheses. Age is based on discharges with exact (non-categorical) reporting.
*
Large hospital was defined as having greater than the median number of hospital beds as reported in 2001 financial reports to OSHPD. Abbreviations: Acute myocardial infarction (AMI), congestive heart failure (CHF), gastrointestinal hemorrhage (GI bleed).